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Nonlinear Crystals
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Terms
  • nonlinear optical crystal An optical crystal that possesses a strong nonlinear dielectric response function to optical radiation. A material with a strong second-order nonlinearity must not possess a center of symmetry. See phase matching.
  • phase matching The technique used in a multiwave nonlinear optical process to enhance the distance over which the coherent transfer of energy between the waves is possible. In frequency doubling, the process is most efficient when the fundamental and the second...
  • crystal A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50 chemical substances are important to the optical...
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